What the vertical columns on the periodic table are called
What are families or groups?
The type of reaction shown below:
AB ----> A + B
What is decomposition?
Balance the following equation:
___ C + ___ S8 ----> ___ CS2
__4_ C + __1_ S8 ----> __4_ CS2
The base unit that measures mass
What is the gram?
ΔT stands for this
What is change in temperature?
What the horizontal rows on the periodic table are called
What are periods?
The type of reaction shown below:
A + B ----> AB
What is synthesis?
___ K + ___ B2O ----> ___ K2O + ___ B
_2__ K + __1_ B2O ----> __1_ K2O + _2__ B
The base unit that measures energy
What is a joule?
A reaction that gives off heat
What is exothermic?
The two types of elements found on the periodic chart
What are metals and non-metals?
The type of reaction shown below:
AB + C -----> AC + B
What is single replacement (displacement)?
___ H3PO4 + ___ KOH ----> ___ K3PO4 + ___ H2O
_1_ H3PO4 + _3_ KOH ---> _1_ K3PO4 + _3_ H2O
The quantity of a substance that has 6.02 x 10^23 molecules
What is a mole?
A reaction that absorbs heat
What is endothermic?
The information given by the number of the column on the periodic table
What are the number of valence electrons?
The type of reaction shown below:
AB + CD -----> AC + BD
What is double replacement (displacement)?
__ H3PO4 + __ Ca(OH)2--> __ Ca3(PO4)2 + _ H2O
2 H3PO4+ 3 Ca(OH)2--> 1 Ca3(PO4)2+ 6 H2O
The quantity of molecules in 22.4 L of a gas
What is a mole?
The type of reaction in terms of energy shown by:
Ca + O2 + 564kJ ----> CaO2
What is endothermic?
The information given by the number of the period on the periodic chart
What are the number of orbitals (rings)?
The type of reaction shown below:
CHx + O2 ------> CO2 + H2O
Combustion (of a hydrocarbon)
__Cu +__HNO3 --->__Cu(NO3)2 + __H2O + ___NO2
__Cu +_4_HNO3 --->__Cu(NO3)2 + _2_H2O + __2_NO2
The unit that measures specific heat
What is the J/gC or cal/gC
The amount of energy needed to react 2 moles of H2 and 1 mole of O2 in the following equation:
2H2 + O2 ----> 2H2O
ΔH= - 572 kJ
572 kJ